En-14
TROU
B
LESHOOTING
Symptom
P
r
o
bl
em
See Pa
g
e
CHECK
ONCE
MORE
Doesn’t operate at all:
●
Has the circuit breaker been turned off?
●
Has there been a power failure?
●
Has a fuse blown out, or a circuit breaker been tripped?
—
●
Is the timer operating?
7 to 8
Poor Cooling
(or *Heating)
performance:
●
Is the air lter dirty?
●
Are the air conditioner’s intake grille or outlet port blocked?
●
Did you adjust the room temperature settings (thermostat) correctly?
●
Is there a window or door open?
●
In the case of Cooling operation, is a window allowing bright sunlight to en-
ter? (Close the curtains.)
●
In the case of Cooling operation, are there heating apparatus and computers in-
side the room, or are there too many people in the room?
—
●
Is the unit set for QUIET operation?
—
The unit operates
differently from the
remote controller’s
setting:
●
Are the remote controller’s batteries dead?
●
Are the remote controller’s batteries loaded properly?
4
If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION Indicator Lamp and the TIMER
Indicator Lamp ashes, and ECONOMY Indicator Lamp ashes fast. Immediately stop operation, turn off the electrical breaker and con-
sult authorized service personnel.
9374379453_OM_EN.indd 14
12/3/2010 4:31:08 PM
